Mohamed Nasser and Mahmoud Emad
The aim of this study was to simulate the production of sulfuric acid by contact process using Aspen Hysys V8.8 with steady state mode making some assumptions and using hypothetical reactors. Antoine Model is used as fluid package in this simulation where the values of minimum and maximum temperature and the coefficients (A through F) are estimated for each component. The increase of boiler outlet temperature shows linearly decrease relation with waste energy heat flow. Inlet water temperature shows no effect on molar enthalpy of sulfuric acid product and value of molar enthalpy of sulfuric acid product remains constant and equal to -9.329e+005 kJ/kg mole. Air temperature also shows no effect on product sulfuric acid flow rate. Flu gas temperature shows linearly increase relation with absorber inlet water temperature for the range of 10 to 120 0C and sharply increase for the range of 120 to 130 0C and finally become roughly constant after 130 0C with the increase of absorber inlet water temperature.
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